Those are the codes on the car I need some help please.
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2004 Chevrolet Trailblazer Question: Code p2101, p2176, p1516, this are the codes what are they?
Answer #1Greg's Orange Auto (13738 Answers) , Orange, CA - (714) 361-9386globalhelper January 31, 2013, 06:10Master
all codes pertain to throttle position issues. best you seek daig and est from your mech. there is a test procedure to follow to determine which sensor is bad.
All the codes relate to sensor values being out of range concerning electronic throttle control system. This should be diagnosed by a technician.